[libgweather/wip/hadess/fix-utc-sunrise] use memory backend

[Bastien Nocera <hadess src gnome org>]

commit 44b2dc9ce08246b81ab5e7aa3257da4b4081fc33
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Oct 8 15:28:42 2018 +0200

    use memory backend

 libgweather/test_libgweather.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/libgweather/test_libgweather.c b/libgweather/test_libgweather.c
index 8f20081..847def6 100644
--- a/libgweather/test_libgweather.c
+++ b/libgweather/test_libgweather.c
@@ -429,6 +429,8 @@ set_gsettings (void)
                g_setenv ("XDG_DATA_DIRS", data_dirs, TRUE);
        }
 
+       g_setenv ("GSETTINGS_BACKEND", "memory", TRUE);
+
        g_message ("new XDG_DATA_DIRS=%s", g_getenv ("XDG_DATA_DIRS"));
 }